Model locomotive gearbox housing



FIG. 1 is a perspective view of the model locomotive gearbox housing,bearing the ornamental design of the invention;

FIG. 2 is an elevational front side view of the model locomotive gearboxhousing, bearing the ornamental design of the invention;

FIG. 3 is an elevational left side view of the model locomotive gearboxhousing, bearing the ornamental design of the invention;

FIG. 4 is a top view of the model locomotive gearbox housing, bearingthe ornamental design of the invention;

FIG. 5 is a bottom view of the model locomotive gearbox housing, bearingthe ornamental design of the invention;

FIG. 6 is an elevational back side view of the model locomotive gearboxhousing, bearing the ornamental design of the invention;

FIG. 7 is an elevational right side view of the model locomotive gearboxhousing, bearing the ornamental design of the invention; and,

FIG. 8 is a perspective, environmental view of the model locomotivegearbox housing, bearing the ornamental design of the invention, andshowing the environmental components of the model locomotive in brokenlines.

The broken lines showing environmental components associated with themodel locomotive gearbox housing in the Figures are for illustrativepurposes only and form no part of the claimed design.

The ornamental design for a model locomotive gearbox housing, as shownand described.